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Reverse Percentage Worksheet

Percentage lesson 9: Find the whole from a percent · Set 788 · 40 questions
TalentJR

How to work it out (Back to 100%): Write what you know: p% is a. The whole (100%) = a × 100 ÷ p. Check: p% of your answer must give a back.

NameDateTime takenScore ___ / 40
  1. 1.Rohan spent ₹183, which is 50% of the pocket money. How much pocket money did Rohan have, in rupees?
  2. 2.30% of a number is 102. What is the number?
  3. 3.156 is 75% of ?
  4. 4.Riya spent ₹76, which is 40% of the pocket money. How much pocket money did Riya have, in rupees?
  5. 5.186 is 75% of ?
  6. 6.4 is 5% of ?
  7. 7.Ishaan spent ₹4, which is 5% of the pocket money. How much pocket money did Ishaan have, in rupees?
  8. 8.62 is 40% of ?
  9. 9.30 is 75% of ?
  10. 10.40% of a number is 60. What is the number?
  11. 11.50 is 40% of ?
  12. 12.15% of a number is 24. What is the number?
  13. 13.Riya spent ₹39, which is 20% of the pocket money. How much pocket money did Riya have, in rupees?
  14. 14.Rohan spent ₹38, which is 10% of the pocket money. How much pocket money did Rohan have, in rupees?
  15. 15.27 is 25% of ?
  16. 16.60% of a number is 171. What is the number?
  17. 17.Rohan spent ₹12, which is 15% of the pocket money. How much pocket money did Rohan have, in rupees?
  18. 18.25% of a number is 1. What is the number?
  19. 19.26 is 50% of ?
  20. 20.Rohan spent ₹18, which is 20% of the pocket money. How much pocket money did Rohan have, in rupees?
  21. 21.10 is 50% of ?
  22. 22.Aarav spent ₹204, which is 80% of the pocket money. How much pocket money did Aarav have, in rupees?
  23. 23.25% of a number is 31. What is the number?
  24. 24.40% of a number is 122. What is the number?
  25. 25.Isha spent ₹24, which is 15% of the pocket money. How much pocket money did Isha have, in rupees?
  26. 26.Meera spent ₹66, which is 30% of the pocket money. How much pocket money did Meera have, in rupees?
  27. 27.50% of a number is 118. What is the number?
  28. 28.Isha spent ₹31, which is 50% of the pocket money. How much pocket money did Isha have, in rupees?
  29. 29.5% of a number is 17. What is the number?
  30. 30.75 is 25% of ?
  31. 31.40% of a number is 4. What is the number?
  32. 32.51 is 25% of ?
  33. 33.30% of a number is 45. What is the number?
  34. 34.25% of a number is 53. What is the number?
  35. 35.25% of a number is 22. What is the number?
  36. 36.Dev spent ₹21, which is 30% of the pocket money. How much pocket money did Dev have, in rupees?
  37. 37.24 is 12% of ?
  38. 38.1 is 20% of ?
  39. 39.5% of a number is 12. What is the number?
  40. 40.29 is 20% of ?

Answer key

  1. 366
  2. 340
  3. 208
  4. 190
  5. 248
  6. 80
  7. 80
  8. 155
  9. 40
  10. 150
  11. 125
  12. 160
  13. 195
  14. 380
  15. 108
  16. 285
  17. 80
  18. 4
  19. 52
  20. 90
  21. 20
  22. 255
  23. 124
  24. 305
  25. 160
  26. 220
  27. 236
  28. 62
  29. 340
  30. 300
  31. 10
  32. 204
  33. 150
  34. 212
  35. 88
  36. 70
  37. 200
  38. 5
  39. 240
  40. 145

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